49131280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 128706048

約数和(自身を除く): 79574768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 1801, 2480, 2728, 3410, 3602, 5456, 6820, 7204, 9005, 13640, 14408, 18010, 19811, 27280, 28816, 36020, 39622, 55831, 72040, 79244, 99055, 111662, 144080, 158488, 198110, 223324, 279155, 316976, 396220, 446648, 558310, 614141, 792440, 893296, 1116620, 1228282, 1584880, 2233240, 2456564, 3070705, 4466480, 4913128, 6141410, 9826256, 12282820, 24565640, 49131280]

約数ペア:

[(1, 49131280), (2, 24565640), (4, 12282820), (5, 9826256), (8, 6141410), (10, 4913128), (11, 4466480), (16, 3070705), (20, 2456564), (22, 2233240), (31, 1584880), (40, 1228282), (44, 1116620), (55, 893296), (62, 792440), (80, 614141), (88, 558310), (110, 446648), (124, 396220), (155, 316976), (176, 279155), (220, 223324), (248, 198110), (310, 158488), (341, 144080), (440, 111662), (496, 99055), (620, 79244), (682, 72040), (880, 55831), (1240, 39622), (1364, 36020), (1705, 28816), (1801, 27280), (2480, 19811), (2728, 18010), (3410, 14408), (3602, 13640), (5456, 9005), (6820, 7204)]